Page 149 - NUMINO Challenge_K2

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p.62 Creative Thinking p.63

Decide on various categories to split the given items in How many 2-digit numbers can be made using the given
various ways. number cards when each number card can only be used

TV Milk Candy Sock once in a number? 12 numbers

1 2 34

12, 13, 14, 21, 23, 24, 31, 32, 34, 41, 42, 43

Bread Bucket Cherry Bowl

Edible things Inedible things Mary has 7 pieces of origami paper. She has one more red
paper than blue paper. How many pieces of red origami
Milk, Candy, TV, Sock, paper does Mary have?
Bread, Cherry Bucket, Bowl

Things that are red Things that are not red Number of red 7 6 54
pieces of paper 0 123
TV, Bucket, Milk, Candy, 7 531
Cherry Sock, Bread, Number of blue
pieces of paper
Bowl
Difference

Answers will vary.

4 pieces of red origami paper

62 NUMINO Challenge K2 63Problem Solving

Give the students sample categories if There may be various ways to solve the
they have difficulty in coming up with their problems. Ask questions to solve
own categories, and guide them to think problems in various methods.
of their own standards and categories.

20 NUMINO Challenge K2